Lawn sprayer



FIG. 1 is a perspective view of a lawn sprayer embodying our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a rear view thereof; and

FIG. 6 is a bottom view thereof.

The ornamental design for a lawn sprayer, as shown and described.